This is a tray for our mini-reel design.

Note: I updated this design to a tray with insertable separator panels.

The design is in OpenSCAD, and all dimensions are configurable with the “customizer” of OpenSCAD. The ready-to-print STL files have a length of 190mm and separated in two “compartments”; these are suitable for 100mm diameter mini-reels.

There is one STL file with an open end (and one where the end is closed). Both are generated from the same OpenSCAD file. Our goal was to have a tray of 380mm long, to fit on the shelves in our storage. But this is too big for our printer (Prusa MK3S), which is why we glue a standard tray and an open-ended tray together, to form a longer tray.